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» Privacy in Non-private Environments
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CCS
2003
ACM
14 years 1 months ago
Using graphic turing tests to counter automated DDoS attacks against web servers
We present WebSOS, a novel overlay-based architecture that provides guaranteed access to a web server that is targeted by a denial of service (DoS) attack. Our approach exploits t...
William G. Morein, Angelos Stavrou, Debra L. Cook,...
CCS
2003
ACM
14 years 1 months ago
Enhancing byte-level network intrusion detection signatures with context
Many network intrusion detection systems (NIDS) use byte sequences as signatures to detect malicious activity. While being highly efficient, they tend to suffer from a high false...
Robin Sommer, Vern Paxson
AGENTS
2001
Springer
14 years 1 months ago
Matchmaking among minimal agents without a facilitator
Multi-Agent Systems are a promising way of dealing with large complex problems. However, it is not yet clear just how much complexity or pre-existing structure individual agents m...
Elth Ogston, Stamatis Vassiliadis
ACSAC
2000
IEEE
14 years 1 months ago
Introducing Decryption Authority into PKI
It is well-known that CA plays the central role in PKI. In this paper we introduce a new component into PKI, DA (decryption authority), which decrypts important and sensitive mess...
Feng Bao
AGENTS
2000
Springer
14 years 29 days ago
MAS Infrastructure: Definitions, Needs and Prospects
This paper attempts to articulate the general role of infrastructure for multi-agent systems (MAS), and why infrastructure is a particularly critical issue if we are to increase th...
Les Gasser